A southerly, very strong and mostly variable flow prevails over the whole area.
For Swanage Bay :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
In the evening, very cloudy skies becoming totally overcast.
Showers towards the end of the night. S wind force 5. Gusts reaching 26 knots in the evening. Slight sea. Low, fairly long swell from SSW. Good visibility.